This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A062583 #28 Jul 04 2021 07:53:14 %S A062583 5,7,79,523,571,2837 %N A062583 Numbers k such that 17^k - 16^k is prime. %C A062583 Terms greater than 1000 may only be strong pseudoprimes. [Clarified by _M. F. Hasler_, Sep 16 2013] %C A062583 No other terms less than 100000. - _Robert Price_, Mar 22 2012 %o A062583 (PARI) is(n)=ispseudoprime(17^n-16^n) \\ _Charles R Greathouse IV_, May 22 2017 %Y A062583 Cf. A000043, A057468, A059801-A059803, A062572-A062582, A188051, A062585-A062666. %K A062583 nonn,hard %O A062583 1,1 %A A062583 _Mike Oakes_, May 18 2001